UPDATE: 10.03am

Delays westbound between J24 at the Coldra and J28 at Tredegar Park have cleared

UPDATE: 9.46am

A spokeswoman for Gwent Police said the crash happened at 8.45am and involved only one car and one lorry. Minor injuries are reported and the lane is still closed for vehicle recovery.

UPDATE: 9.29am

A crash involving two cars and a lorry has closed one lane of the entry slip road on the M4 at J28 at Tredegar Park. Traffic is heavy eastbound as a result.

UPDATE: 8.47am

There is stop-start traffic on B4591 Highcross Road southbound before High Cross. 

UPDATE: 8.41am

Junction 25A before the A4042 on the M4 in Newport is busy but moving. 

UPDATE: 8.26am 

Outside the Gwent patch, but two lanes are blocked and traffic is very slow on the M4 eastbound before junction 32 near the Coryton Interchange in Cardiff after a multi-vehicle accident. 

UPDATE: 8.07am

The A4051 in Malpas is busy but moving southbound.

UPDATE: 7.39am

Queuing traffic on A467 Forge Road southbound before Tredegar Park.

UPDATE: 7.35am

Stop-start traffic is reported on the B4591 High Cross Road southbound with congestion to Rogerstone.

UPDATE: 7.09am

Heavy traffic is reported on the M4 eastbound between J27 at High Cross and J26 at Malpas along the Malpas straight.